Hoelscher, R. P., & Springer, C. H. (1959). Engineering drawing and geometry, eng.
Chicago Edition CitationHoelscher, Randolph P., and Clifford H. Springer. Engineering Drawing and Geometry, Eng. 1959.
MLA Edition CitationHoelscher, Randolph P., and Clifford H. Springer. Engineering Drawing and Geometry, Eng. 1959.
Warning: These citations may not always be 100% accurate.